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A hyperlinked PDF document is the typical example. The document would be marked up with XML. Class 3 - The difference between Class II and Class III is analogous to the difference between PDF book and a web site. The book structure is discarded; instead the document is structured more freely following the logic of the content.
A human computer, with microscope and calculator, 1952. It was not until the mid-20th century that the word acquired its modern definition; according to the Oxford English Dictionary, the first known use of the word computer was in a different sense, in a 1613 book called The Yong Mans Gleanings by the English writer Richard Brathwait: "I haue [] read the truest computer of Times, and the best ...
The arrival of the personal computer, with the Altair 8800 in 1975, changed the field of software in general, with specific implications for educational software. Whereas users prior to 1975 were dependent upon university or government owned mainframe computers with timesharing, users after this shift could create and use software for computers in homes and schools, computers available for ...
Military computers will typically also be constructed of more robust materials with more internal structure, more cooling fans, a more robust power supply, and so forth. Intended Environment – An office or consumer computer is intended for use in a very controlled shirt-sleeve environment with moderate temperatures and humidity and minimal ...
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The Internet Archive features the full text of a very large number of books on military history topics. These works are either out of copyright (in which case downloadable versions in PDF and other formats are often available) or can be borrowed for short period through the Open Library (free account registration required).
Development of computers in the mid-1950s led both by the Navy's long interest in code-breaking computers, the introduction of newer types of transistors, and the widespread introduction of core memory, reached a point where a Navy version of Air Force's SAGE air defense network was a practical possibility. The Navy began development of the ...